<!DOCTYPE html>
<body>
  <script>
    document.domain = document.domain;
    var ifr = document.createElement("iframe");
    ifr.src = "1157127-subframe.xml";
    document.body.appendChild(ifr);

    var doc = ifr.contentDocument;
    var div = doc.createElement("div");
    div.style.resize = "both";
    div.style.overflow = "scroll";
    doc.body.appendChild(div);
    div.offsetWidth;
  </script>
</body>
